Period
Q4 2020
Calendar quarter covered by the filing.
CSS LLC/IL portfolio
Q4 2020 · Holdings as of · Filed · reported in Form 13F
$1.66B
Full value: $1,657,966,000 · USD · 31 Dec 2020What changed in Q4 2020?
Comparable share positions since Q3 2020.
- New
- 202
- Increased
- 89
- Reduced
- 112
- Exited
- 161
4 positions with incomplete comparison or price data excluded.
Largest disclosed changes
-
shares
-68.12K
Full value: -68,118 · shares · 31 Dec 2020estimated-$100.73M
Full value: -$100,734,000 · USD · 31 Dec 2020 · Estimated from share changes and filing pricesWeight -7.55 percentage points
-
shares
+706.27K
Full value: +706,266 · shares · 31 Dec 2020estimated+$50.22M
Full value: +$50,223,129 · USD · 31 Dec 2020 · Estimated from share changes and filing pricesWeight +3.04 percentage points
-
shares
-47.9K
Full value: -47,900 · shares · 31 Dec 2020estimated-$33.8M
Full value: -$33,801,623 · USD · 31 Dec 2020 · Estimated from share changes and filing pricesWeight -1.24 percentage points
-
shares
-2.39M
Full value: -2,389,187 · shares · 31 Dec 2020estimated-$29.77M
Full value: -$29,769,315 · USD · 31 Dec 2020 · Estimated from share changes and filing pricesWeight -1.6 percentage points
-
shares
+274.86K
Full value: +274,855 · shares · 31 Dec 2020estimated+$19.28M
Full value: +$19,275,627 · USD · 31 Dec 2020 · Estimated from share changes and filing pricesWeight +1.22 percentage points
Estimates use share changes and filing prices. They are not trade proceeds. Options and principal positions are excluded.
Compare with Q3 2020Holdings
| Sym | Weight | Trade Impact | Company | Class | Share Change | Activity | Value change | SEC-reported value | SEC-reported price | Shares | Principal |
|---|
Filing details and SEC source
- Portfolio date
- 31 Dec 2020
- Reported 13F value
- $1,657,966,000
- Reported 13F holdings
- 561
- What this filing covers
-
13F holdings
561Parsed equity rows, excluding option-only view rows.
Reported value
$1,657,966,000SEC Form 13F market value, not total AUM.
Accepted by SEC
16 Feb 2021EDGAR acceptance date.
How to read this filing
- Start with the largest positions and changes, then open issuer-level rows for CUSIP-specific history.
- Form 13F market value excludes cash and many non-13F assets, so it should not be treated as total assets under management.
- SEC classifies this as a holdings report: this manager reports its visible U.S.-listed equity holdings in this filing.
- Largest 13F holdings
-
MONGODB INC DEXCOM INC WAYFAIR INC DD PCGU AAL SEA LTD GFLU CHEGG INC SAREPTA THERAPEUTICS INC UNISYS CORP ZILLOW GROUP INC
+8 more
NEEPRO CFXA SQUARE INC LIBERTY MEDIA CORP DEL NIO INC PCG TSLA II-VI INC - Manager signature
- Mitchel Bialek - CCO
- Manager location
- Chicago, IL
- Accepted by SEC
- 16 Feb 2021, 14:01:30 UTC
- SEC form
- 13F-HR
- Prior SEC filing
- Q3 2020 - 16 Nov 2020
- Next SEC filing
- Q1 2021 - 17 May 2021
- Source filing
- View source filing
- Options holdings
- Showing equity holdings. Open options holdings.
13F snapshot
Latest parsed holdings, value, and filing-period context.
2 signals
Manager
Names, identifiers, and filing context for this profile.
2 identity fields
Source evidence
Original filing metadata and source links for verification.
5 source fields
Related views
1 detail
This view compares filing 2020 Q4 with 2020 Q3. Changes are calculated against the previous SEC filing.
SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held.
* marks a reported price that did not pass the local price check.
* marks a reported price that did not pass the local price check.
Person Signing this Report on Behalf of Reporting Manager:
| Name | Title | City, State | Date |
|---|---|---|---|
| Mitchel Bialek | CCO | Chicago, Illinois | 16 Feb 2021 |